2261135023 has 8 divisors (see below), whose sum is σ = 2594878880. Its totient is φ = 1930072320.

The previous prime is 2261134987. The next prime is 2261135039. The reversal of 2261135023 is 3205311622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2261135023 - 2⁹ = 2261134511 is a prime.

It is a super-2 number, since 2×2261135023² = 10225463184474421058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261135623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668478 + ... + 671851.

It is an arithmetic number, because the mean of its divisors is an integer number (324359860).

Almost surely, 2^2261135023 is an apocalyptic number.

2261135023 is a deficient number, since it is larger than the sum of its proper divisors (333743857).

2261135023 is a wasteful number, since it uses less digits than its factorization.

2261135023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340577.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2261135023 is about 47551.3934916738. The cubic root of 2261135023 is about 1312.5287717714.

Adding to 2261135023 its reverse (3205311622), we get a palindrome (5466446645).

The spelling of 2261135023 in words is "two billion, two hundred sixty-one million, one hundred thirty-five thousand, twenty-three".